Glacier Park International Airport is served by 5 airlines, flying from/to 6 destinationsLongest flight from Glacier Park International Airport is Kalispell to 🇺🇸 Salt Lake City (SLC), which takes around 2 hours. On an airline like Delta Air Lines. More info on this flight route (FCA-SLC).Shortest flight from Glacier Park International Airport is Kalispell to 🇺🇸 Billings (BIL), which takes around 1 hour and 20 minutes. On an airline like Alpine Air Express. More info on this flight route (FCA-BIL).